Troubleshooting; Before Calling For Service - Kenmore 75121 - 12,000 BTU Multi-Room Air Conditioner Owner's Manual

BEFORE CALLING FOR SERVICE
Check the following list to be sure a service call is really necessary. A quick reference to this manual may
help you avoid an unneeded service call.
THE AIR CONDITIONER WILL NOT OPERATE.
Check if...
Wall plug disconnected.
House fuse blown or circuit breaker tripped.
Power is OFF.
Unit was turned off and then on too quickly.
TEMP Control set warmer than room temperature.
The current interrupter device is triped
Then...
Push plug firmly into wall outlet.
Replace fuse with time delay type or reset circuit breaker.
Push the power button.
Set unit off and wait 3 minutes before restarting.
Set TEMP Control to lower temperature.
Press the RESET button located on the power cord plug
If the RESET button will not stay engaged, discontinue use of the
air conditioner and contact a qualified service technician.
AIR FROM UNIT DOES NOT FEEL COLD ENOUGH.
Check if...
FAN SPEED set at LOW.
TEMP Control set too warm.
Room temperature below 70°F (21°C).
Temperature sensing tube touching evaporator coil,
located behind front grille.
Then...
Push FAN SPEED button to set at HI.
Set TEMP Control to lower temperature.
Cooling may not occur until room temperature rises above 70°F (21°C)
Straighten tube away from evaporator coil.
THEAIRCONDmONER COOLING, BUTROOMISTOOWARM-ICE FORMING ONCOOLING COILBEHINDFRONT GRILLE.
Check if... Then...
Outdoor temperature below 70°F (21°C) To defrost the coil, set the MODE to FAN.
Air filter may be dirty. Clean air filter. Refer to Maintenance section of owner's manual.
TEMP Control set too cold for night-time cooling. To defrostthe coil,set the MODE to FAN or "High Cool" with the
TEMP controlto hiqhertemperature.
THE AIR CONDITIONERCOOLING, BUT ROOM ISTOO WARM.
Check if... Then...
Dirtyairfilter - air restricted. Cleanair filter.Referto Maintenance sectionof owner'smanual.
TEMPControlsettoo warm. Set TEMPControl t o lowertemperature.
Frontof unit isblockedbydrapes,blinds,furniture,etc. Clear blockage in frontof unit.
Air distribution is restricted.
Doors,windows,registers, e tc.open.Coldair escapes. Closedoors,windows,registers, e tc.
Unitrecently turnedon inhot room. Allowadditional timetoremove s tored heat f rom walls, c eiling, f loor, a ndfurniture.
THE AIR CONDITIONER TURNS ON AND OFF RAPIDLY.
Check if... Then...
I Outsidetemperatureisextremelyhot. I Set FANSPEEDon HI to bringairpastcoolingcoilsfaster. I
NOISE WHEN UNIT IS COOLING.
Check if... Then...
Soundof fanhittingwaterfromthe moisture removal s ystem. This is normal w henhumidity is high.Closedoors,windows, a ndregisters.
Windowvibration- poorinstallation. Referto installation instructions or checkwithinstaller.
WATER DRIPPING INSIDE ROOM WHEN UNIT IS COOLING.
Check if... Then...
The air conditioner i s improperlyinstalled. Tiltinstallation airconditioner instructions slightly or tocheck the outside withinstaller, to allowwaterdrainage.Referto
WATER DRIPPING OUTSIDE WHEN UNIT IS COOLING.
Check if... Then...
The unitis removing largequantitiesof moisture This is normalduringexcessively humiddays.
from humidroom.
-14-